1 /*
2  * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 /*
24  */
25 
26 
27 package org.graalvm.compiler.jtt.threads;
28 
29 import org.graalvm.compiler.jtt.JTTTest;
30 import org.graalvm.compiler.jtt.hotspot.NotOnDebug;
31 import org.junit.Rule;
32 import org.junit.Test;
33 import org.junit.rules.TestRule;
34 import org.junit.rules.Timeout;
35 
36 public final class Monitorenter02 extends JTTTest {
37 
38     @Rule public TestRule timeout = NotOnDebug.create(Timeout.seconds(20));
39 
40     static final Object object = new Object();
41 
test()42     public static boolean test() {
43         // test nested locking.
44         synchronized (object) {
45             return test2();
46         }
47     }
48 
test2()49     private static boolean test2() {
50         synchronized (object) {
51             return true;
52         }
53     }
54 
55     @Test
run0()56     public void run0() throws Throwable {
57         initializeForTimeout();
58         runTest("test");
59     }
60 
61 }
62